<template>
  <div class="content">
    <!--面包屑导航区-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!--  卡片视图区域  -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" class="input-with-select" v-model="queryInfo.query" clearable
                    @clear="getUserList" @input="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
        </el-col>
      </el-row>

      <!-- 用户列表区域 -->
      <el-table :data="userlist" border stripe>
        <el-table-column label="序号" type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <!-- {{ scope.row }} 这样可以拿到这一行的数据 -->
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- {{ scope.row }} 这样可以拿到这一行的数据 -->
            <!-- 修改按钮 -->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <!-- 删除按钮 -->
            <el-button type="danger" icon="el-icon-delete" size="mini"
                       @click="removeUserById(scope.row.id,scope.row.username)"></el-button>
            <!-- 分配角色按钮 -->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>

    <!-- 添加用户对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
      <!-- 内容主体区 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">

        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>

        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>

        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>

        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>

      </el-form>

      <!-- 确认和取消按钮 -->
      <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">

      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>

      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>

    </el-dialog>
  </div>
</template>

<script>
export default {
  name: "Users",
  data() {
    // 验证邮箱的校验规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法的邮箱'))
    }
    // 验证手机号的校验规则
    var checkMoobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) {
        return cb();
      }
      cb(new Error('请输入合法的手机号'))
    }
    return {
      //获取用户列表的参数
      queryInfo: {
        query: '',
        //当前的页数
        pagenum: 1,
        //当前每页显示的页数
        pagesize: 10
      },
      userlist: [],
      total: 0,
      //控制添加用户对话框的显示和隐藏
      addDialogVisible: false,
      //添加用户表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      //添加用户表单验证对象
      addFormRules: {
        username: [
          {
            required: true, message: '请输入用户名', trigger: 'blur'
          }, {
            min: 3, max: 10, message: '用户名的长度在3~10字符之间', trigger: 'blur'
          }
        ],
        password: [
          {required: true, message: '请输入密码', trigger: 'blur'},
          {
            min: 6, max: 15, message: '密码的长度在6~15字符之间', trigger: 'blur'
          }
        ],
        email: [
          {required: true, message: '请输入邮箱', trigger: 'blur'},
          {validator: checkEmail, trigger: 'blur'}
        ],
        mobile: [
          {required: true, message: '请输入手机号码', trigger: 'blur'},
          {validator: checkMoobile, trigger: 'blur'}
        ]
      },
      //修改表单的验证规则对象
      editFormRules: {
        email: [
          {required: true, message: '请输入邮箱', trigger: 'blur'},
          {validator: checkEmail, trigger: 'blur'}
        ],
        mobile: [
          {required: true, message: '请输入手机号码', trigger: 'blur'},
          {validator: checkMoobile, trigger: 'blur'}
        ]
      },
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      //查询到的用户信息对象
      editForm: {}
    }
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const {data: res} = await this.$http.get('users', {params: this.queryInfo})
      // console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败  ')
      } else {
        this.userlist = res.data.users;
        this.total = res.data.total;
        // console.log(this.userlist)
      }
    },
    // 监听 pagesize 改变的事件
    handleSizeChange(newSize) {
      // console.log(newSize);
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    // 监听页码值改变的事件
    handleCurrentChange(newPage) {
      // console.log(newPage)
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    //监听 switch 开关状态的改变
    async userStateChanged(userinfo) {
      // console.log(userinfo)
      const {data: res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`);
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败！');
      } else {
        this.$message.success('更新用户状态成功！');
      }
    },
    // 监听添加用户关闭对话框
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
    },
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) {
          return Error()
        } else {
          //发起网络请求添加用户
          const {data: res} = await this.$http.post('users', this.addForm)
          if (res.meta.status !== 201) {
            this.$message.error(res.meta.msg)
          } else {
            this.$message.success(res.meta.msg)
          }
        }
        this.addDialogVisible = false
        // 重新获取用户列表
        this.getUserList();
      })
    },
    //展示编辑的对话框
    async showEditDialog(id) {
      const {data: res} = await this.$http.get('users/' + id)
      console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 监听编辑对话框的关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) {
          return Error()
        }
        //发起网络请求添加用户
        const {data: res} = await this.$http.put('users/' + this.editForm.id, {
          email: this.editForm.email,
          mobile: this.editForm.mobile
        })
        if (res.meta.status !== 200) {
          this.$message.error(res.meta.msg)
        } else {
          this.$message.success(res.meta.msg)
        }
        this.editDialogVisible = false
        this.getUserList();
      })
    },
    //根据ID删除用户的信息
    async removeUserById(id, username) {
      const confirmResult = await this.$confirm('此操作将永久删除该用户【' + username + '】, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)

      // 取消 confirmResult = cancel
      // 确认 confirmResult = confirm
      console.log(confirmResult)

      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      } else {
        const {data: res} = await this.$http.delete('users/' + id)
        if (res.meta.status !== 200) {
          this.$message.error(res.meta.msg)
        } else {
          this.$message.success(res.meta.msg)
          this.getUserList();
        }
      }
    }
  }
}
</script>

<style lang="less" scoped>
.el-breadcrumb-item {
  margin-top: 5px;
}

.content {
  width: 100%;
  padding-left: 15px;
  padding-right: 15px;
}
</style>
